Kenmore 85500 EnviroSense True HEPA Air Cleaner Energy Star qualified True HEPA filtration captures 99.99% of particles and impurities as small as .3 microns Automatically monitors air quality with built-in smart sensors for dust and odor levels Senses and adjusts fan speeds depending on level and duration of room air pollution Programmable remote control allows power on/off and fan speed adjustments from any room